60 Inches =
152.4 Centimeters
exact result
start 12/12 when the plant is now 15 Inches =38.1 Centimeters exact result or 12 inch.
or maybe at 20 inch latest i think! 12/12 then they would be 35 Inches =88.9 Centimeters or maybe 100 centimeters at end of bloom...i wouls say start now 12712
